Telephone Amplifier Patents (Class D14/243)
  • “Hands-free” mobile phone docking station and speakerphone
    Patent number: D501005
    Type: Grant
    Filed: February 28, 2004
    Date of Patent: January 18, 2005
    Inventors: Anthony George Patti, Ronald Clifford Ellman
  • Portable phone holder
    Patent number: D437845
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: February 20, 2001
    Inventor: Kap-Yul Lee
  • Conference call apparatus
    Patent number: D439892
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: April 3, 2001
    Assignee: Vcon Telecommunications Ltd.
    Inventors: Elisha Tal, Danny Lavie
  • Cup-holder speaker phone
    Patent number: D452236
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: December 18, 2001
    Inventor: Paramjit Kohli
  • Automatic dialer
    Patent number: D454558
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: March 19, 2002
    Assignee: Dream Touch, Inc.
    Inventor: Han Mo Song
  • Cell phone holder
    Patent number: D454561
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: March 19, 2002
    Assignee: E & B Giftware LLC
    Inventor: Fred Hollinger
  • Personal conferencing node
    Patent number: D525231
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: July 18, 2006
    Assignee: Plantronics, Inc.
    Inventors: Keith McMillen, David S. Hishinuma, Keith Edwards
  • Portable speakerphone with a pivoting microphone boom
    Patent number: D525241
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: July 18, 2006
    Assignee: Jabra Corporation
    Inventor: Medford Alan Dyer
  • Telephone headset amplifier
    Patent number: D457867
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: May 28, 2002
    Assignee: GN Netcom, Inc.
    Inventor: Klaus Rath
  • Adaptor for telephone
    Patent number: D460431
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: July 16, 2002
    Assignee: Sony Corporation
    Inventor: Hisanori Narita
  • Handsfree stand device for a handset
    Patent number: D530319
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: October 17, 2006
    Assignee: Nokia Corporation
    Inventors: Lea Sarasjoki, Sami Lehtovaara
  • Telephone headset amplifier
    Patent number: D464333
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: October 15, 2002
    Assignee: GN Netcom, Inc.
    Inventor: Klaus Rath
  • Telephone conferencing device
    Patent number: D464957
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: October 29, 2002
    Assignee: Callpod Inc.
    Inventor: Darren Guccione
  • Hands free accessory for wireless telephones
    Patent number: D465781
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: November 19, 2002
    Assignee: Safco Corporation
    Inventor: Roy K. Fischer
  • Speaker for a portable telephone
    Patent number: D536334
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: February 6, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bum-Soo Park, Jong-Seong Lee, Sang-Min Hyun
  • Hands free adapter
    Patent number: D467911
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: December 31, 2002
    Assignee: Coby Electronics Corporation
    Inventor: Johan Lee
  • Telephone amplifier switch box
    Patent number: D471182
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: March 4, 2003
    Assignee: Wing Cheong Electrical Company
    Inventor: Max Fuk-fan Cheung
  • Base for portable telephone
    Patent number: D471187
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: March 4, 2003
    Inventor: Young Taek Song
  • Audio conferencing device
    Patent number: D474169
    Type: Grant
    Filed: January 28, 2002
    Date of Patent: May 6, 2003
    Assignee: Mitel Knowledge Corporation
    Inventor: Jodie Fletcher
  • Cup-holder speaker phone base
    Patent number: D475044
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: May 27, 2003
    Inventors: Parmjit Kohli, Seok-Ki G. Kim
  • Hands free kit
    Patent number: D494962
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: August 24, 2004
    Inventor: Ming-Ying Shen
  • Teleconference speakerphone
    Patent number: D498224
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: November 9, 2004
    Assignee: Telco Systems, Inc.
    Inventors: Andrew D. Breton, James McIlvaine Murdock
  • Universal hands-free desk unit for cellular telephones
    Patent number: D499719
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: December 14, 2004
    Assignee: youSP Sales Promotions B.V.
    Inventor: Richard F. M. Peersmann
  • Foldable cell phone holder with speaker
    Patent number: D623642
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: September 14, 2010
    Assignee: Best-Supplier International Inc.
    Inventor: Wei Wang
  • Handsfree unit for a portable telephone
    Patent number: D363491
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: October 24, 1995
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Robert Hellier, Tomek Rudkiewicz
  • Handsfree unit for a portable telephone
    Patent number: D363723
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: October 31, 1995
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Robert Hellier, Tomek Rudkiewicz
  • Variable telephone ringer
    Patent number: D371135
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: June 25, 1996
    Inventor: Matthew S. Jutte
  • Modular base for a cordless portable telephone
    Patent number: D373585
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: September 10, 1996
    Assignee: Motorola, Inc.
    Inventors: Albert L. Nagele, Leonid Soren
  • Telephone apparatus
    Patent number: D375496
    Type: Grant
    Filed: September 6, 1995
    Date of Patent: November 12, 1996
    Assignee: GN Netcom
    Inventors: Finn Jensen, Steve McGugan
  • Teleconferencing device
    Patent number: D387065
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: December 2, 1997
    Assignee: Hello Direct, Inc.
    Inventors: Gregory D. Volan, James W. Kendall
  • Speaker phone
    Patent number: D396716
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: August 4, 1998
    Assignee: 3Com Corporation
    Inventors: Hari Matsuda, Rick T. Mason, Frank J. Annerino
  • Speaker phone
    Patent number: D399842
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: October 20, 1998
    Assignee: 3Com Corporation
    Inventors: Hari Matsuda, Rick T. Mason, Frank J. Annerino
  • Cellular telephone hands free adapter assembly
    Patent number: D404037
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: January 12, 1999
    Assignee: Andrew Corporation
    Inventors: Francisco X. Gomez, Alvaro Mejia
  • Telephone headset amplifier unit
    Patent number: D405093
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: February 2, 1999
    Assignee: Smith Corona Corporation
    Inventors: Ravi K. Sawhney, Lance G. Hussey, Cary R. Chow
  • Conference telephone
    Patent number: D406841
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: March 16, 1999
    Assignee: Applicom, Inc.
    Inventor: Nam Soo Myung
  • Telephone headset amplifier unit
    Patent number: D412904
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: August 17, 1999
    Inventors: Ravi K. Sawhney, Lance G. Hussey, Cary R. Chow
  • Audio interface
    Patent number: D662921
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: July 3, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Daniel V. Clements, Matthew B. Ansley, Sanjay Batra, Sean N. Davie, Sean P. Daw
  • PC telephone amplifier switch box
    Patent number: D424065
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: May 2, 2000
    Assignee: Wing Cheong Electrical Company
    Inventor: Brian C. Soo
  • Hands-free accessory for communications equipment
    Patent number: D430148
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: August 29, 2000
    Assignee: Ericsson Inc.
    Inventor: Rodolfo DeLeon
  • Holder for a mobile telephone for an automobile
    Patent number: D432121
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: October 17, 2000
    Assignee: E-Lead Electronics Co., Ltd.
    Inventor: Tonny Chen
  • Speakerphone accessory
    Patent number: D432528
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: October 24, 2000
    Assignee: Motorola, Inc.
    Inventors: John D. Hartman, James C. Hand, James Cleary
  • Speakerphone module for video conferencing system
    Patent number: D434747
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: December 5, 2000
    Assignee: Philips Electronics North America Corporation
    Inventors: Roland Bird, Theo van het Hof, Wick Thijssen, Andrew Hartmann, Lisa Yong, Ulrich Rankers, Leo Pekelharing, Baltazar Franco, Fernando Serpa
  • Audio interface
    Patent number: D709054
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: July 15, 2014
    Assignee: Motorola Mobility LLC
    Inventors: John W. McConnell, Daniel V. Clements, Dickon Isaacs
  • Speakerphone
    Patent number: D807318
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: January 9, 2018
    Assignee: GN Netcom A/S
    Inventors: Tom Folkmann, Brian Koefoed, Peter Ulrik Kann, Francien Tiessen, Rasmus Trudslev Pedersen
  • Speakerphone
    Patent number: D819592
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: June 5, 2018
    Assignee: GN Netcom A/S
    Inventors: Tom Folkmann, Brian Koefoed, Peter Ulrik Kann, Francien Tiessen, Rasmus Trudslev Pedersen
  • Signal amplifier for mobile phone
    Patent number: D870085
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: December 17, 2019
    Inventor: Fumin Zhang
  • Signal amplifier for mobile phone
    Patent number: D870086
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: December 17, 2019
    Inventor: Fumin Zhang
  • Communications equipment
    Patent number: D938947
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: December 21, 2021
    Assignee: GN AUDIO A/S
    Inventor: Rasmus Trudslev Pedersen
  • Portable speaker
    Patent number: D948478
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 12, 2022
    Assignee: POW AUDIO INC.
    Inventors: Glen V. Walter, Cameron V. Walter
  • Speakerphone
    Patent number: D1023997
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: April 23, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Joseph W. Yang